diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index 693412e68e..866aa64b39 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -132,6 +132,8 @@
 
 <!ENTITY a.cokane "Coleman Kane <email>cokane@FreeBSD.org</email>">
 
+<!ENTITY a.matk "Mathew Kanner <email>matk@FreeBSD.org</email>">
+
 <!ENTITY a.cp "Chuck Paterson <email>cp@FreeBSD.org</email>">
 
 <!ENTITY a.cpiazza "Chris Piazza <email>cpiazza@FreeBSD.org</email>">